EP1970737A1 - Joint d'etanchéité pour un passage de cable - Google Patents

Joint d'etanchéité pour un passage de cable Download PDF

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Publication number
EP1970737A1
EP1970737A1 EP07007887A EP07007887A EP1970737A1 EP 1970737 A1 EP1970737 A1 EP 1970737A1 EP 07007887 A EP07007887 A EP 07007887A EP 07007887 A EP07007887 A EP 07007887A EP 1970737 A1 EP1970737 A1 EP 1970737A1
Authority
EP
European Patent Office
Prior art keywords
sealing
gel
recess
sealing body
sealing material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07007887A
Other languages
German (de)
English (en)
Other versions
EP1970737B1 (fr
Inventor
Thorsten MÜLLER
Andreas EICHSTÄDT
Uwe Pitzul
Achim Küppermann
Simon Thibault
Sandra Stefanie Pröckl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Corning Research and Development Corp
Original Assignee
CCS Technology Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CCS Technology Inc filed Critical CCS Technology Inc
Publication of EP1970737A1 publication Critical patent/EP1970737A1/fr
Application granted granted Critical
Publication of EP1970737B1 publication Critical patent/EP1970737B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4441—Boxes
    • G02B6/4442—Cap coupling boxes
    • G02B6/4444—Seals
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/013—Sealing means for cable inlets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/06—Cable terminating boxes, frames or other structures
    • H02G15/076—Cable terminating boxes, frames or other structures for multi-conductor cables

Definitions

  • the invention relates to a sealing body of a cable sleeve according to the preamble of claim 1. Furthermore, the invention relates to a sealing material for a sealing body of a cable sleeve.
  • Cable sleeves for the structured storage or handling of optical fibers routed in optical waveguide cables are used in optical fiber cable networks for the protection of splices at connection points of two optical fiber cables and for protecting the optical fibers at branch points or at splitting points of optical fiber cables.
  • the cable sleeves must ensure the continuity of the fiber optic cable as if the fiber optic cables were not interrupted.
  • the structured storage and gentle handling of the optical waveguides plays a decisive role in this, so that the transmission properties of the optical waveguides are not adversely affected.
  • Each sealing body of a cable sleeve comprising a central, cylindrical sealing body segment and a plurality of cylinder-segment-like sealing body segments, each cylinder segment-like sealing body segment is insertable into a recess of the central, cylindrical sealing body segment.
  • Each cylinder segment-like sealing body segment which can be introduced into a recess in the middle cylinder-like sealing body segment has a gel-like sealing element which can be compressed by means of a pressure element.
  • the gel-like sealing element is for this purpose positioned between two dimensionally stable end pieces, wherein a force can be applied to one of the two end pieces via the pressure element in order to compress the gel-like sealing element.
  • a recess is introduced, which serves to receive a cable to be sealed.
  • a spring element is introduced, which serves to center the cable to be sealed in the recess and to prevent during compression, a flow of the gel-like sealing element.
  • the recess introduced into the gel-like sealing element of a cylinder-segment-like sealing body segment is contoured such that it has a constant inner diameter between the spring elements projecting into the recess, which is larger than the outer diameter of a cable to be sealed. It follows that according to this prior art, sealing of a cable to be sealed can be ensured only when the gel-like sealing element of the corresponding cylinder segment-like sealing body segment has been compressed by means of the respective pressure element. In order to ensure a good seal for cables to be sealed with different outer diameters, corresponding sealing body segments must be kept ready with a correspondingly sized recesses in the region of the gel-like sealing elements for a variety of different outer diameter sealed cable.
  • the present invention is based on the problem to provide a novel sealing body of a cable sleeve. Furthermore, the present invention is based on the problem to provide a novel sealing material for a sealing body of a cable sleeve.
  • the recess of a gel-like sealing element of a sealing body segment between the two spring elements, which project into the recess is conically contoured.
  • a sealing body segment can be used for a variety of different outer diameter of cables to be sealed. This increases the flexibility.
  • the recess between the two spring elements is conically contoured such that an inner diameter of the recess in the direction in which a compressing force can be applied to the gel-like sealing element is tapered or reduced, wherein the inner diameter of the recess at least adjacent to the rear spring member viewed in the direction of the compressing force is smaller than an outer diameter of the cable to be sealed.
  • the inner diameter of the recess is smaller than the outer diameter of the cable to be sealed, a certain seal is ensured even with a non-compressed, gel-like sealing element, which of course by compressing the gel-like sealing element with help of the pressure element can be increased.
  • the sealing material according to the invention for a sealing body of a cable sleeve is defined in claim 6.
  • the invention relates to a sealing body of a cable sleeve, in particular a sealing body, as he already in terms of its basic structure of the DE 20 2006 006 019 U1 or the DE 20 2006 006 020 U1 is known.
  • a sealing body has a central, cylinder-like sealing body segment, wherein a plurality of recesses are formed on an outer circumferential surface of the central sealing body segment, and wherein in each of the recesses of the central sealing body segment in each case a cylinder segment-like sealing body segment can be inserted.
  • Fig. 1 and 2 show a cylinder segment-like sealing body segment 10, in particular for use in a sealing body according to the DE 20 2006 006 019 U1 or the DE 20 2006 006 020 U1
  • Fig. 1 shows the cylinder segment-like sealing body segment 10 without cable to be sealed
  • Fig. 2 on the other hand shows the same thing with a cable to be sealed 11th
  • the sealing body segment 10 comprises a gel-like sealing element 12, which is arranged between two dimensionally stable end pieces 13, 14.
  • the gel-like sealing element 12 and the two end pieces 13, 14 are accommodated in a housing 15 of the sealing body segment 10.
  • Via a pressure element 16, which is formed in the embodiment shown as a set screw, on one of the end pieces, namely on the end piece 13, a force exercisable so as to move the two end pieces 13, 14 toward each other and thereby compressing the gel-like sealing element 12 Via a pressure element 16, which is formed in the embodiment shown as a set screw, on one of the end pieces, namely on the end piece 13, a force exercisable so as to move the two end pieces 13, 14 toward each other and thereby compressing the gel-like sealing element 12 ,
  • a recess 17 is inserted, which serves to receive the cable 11 to be sealed. At both ends or sides of the recess 17 projects into the same a spring element 18, which serve to center the cable 11 to be sealed in the recess 17.
  • the spring members 18 prevent the same from flowing when compressing the gel-like sealing member 12.
  • the recess 17 is conically contoured between the spring elements 18 projecting into the same at both ends.
  • Fig. 1 It can be seen that an inner diameter of the recess 17 in the direction (arrow 21), in which a compressive force can be applied to the gel-like sealing element 12 via the pressure element 16, continuously tapers or reduces.
  • the recess 17 Adjacent to the rear spring element 18, which is viewed in the direction of the compressing force, the recess 17 has an inner diameter which is smaller than the outer diameter of the cable 11 to be sealed, for each cable 11 to be sealed.
  • a sealing region is already present in the case of an uncompressed, gel-like sealing element 12 19 between the gel-like sealing member 12 and a recess 17 inserted in the same, to be sealed cable 11 created.
  • This sealing region 19 is formed adjacent to the rear spring element 18 viewed in the direction (arrow 21) of the compressing force and, in the case of an uncompressed, gel-like sealing element, increases the larger the outer diameter of the cable 11 to be sealed.
  • the gel-like sealing element 12 can be compressed more strongly, in which case the gel-like sealing element 12 more closely conforms to the cable 11 to be sealed. During the compression of the gel-like sealing element 12, excess sealing material can escape into the region of recesses 20, which are introduced laterally into the gel-like sealing element 12.
  • the sealing material for the gel-like sealing member 12 is preferably a soft sealing material, such.
  • a soft sealing material such as a polyurethane gel or a silicone gel, use. This has the advantage that the gel-like sealing material is easily deformable when compressing the gel-like sealing element 12 and snuggles over a relatively large area on the cable 11 to be sealed.
  • the plasticizer used is preferably diisononyl phthalate DINP.
  • the antioxidant used is preferably an antioxidant from the group of bisalkylthiomethyl orthocresols.
  • the above polyurethane gels can be at most 0.3% by weight, preferably 0.15 ⁇ 0.05% by weight, of catalyst, in particular coscate 83, and at most 2.0% by weight, preferably 1.5 ⁇ 0.2 wt .-%, drying agent, in particular Sylosiv A3, as a process aid.
  • compositions of the polyurethane gel are:
  • a polyurethane gel or a silicone gel is used as the sealing material for the gel-like sealing element 12, it has at least the following properties: hardness according to Shore 000, determined according to ASTM D 2240 at 23 ° C., between 20 and 60 ; a water absorption, determined according to DIN EN ISO 62-1 for 24 hours at 70 ° C, of not more than 5%, in particular of not more than 1%; a specific electrical contact resistance, determined according to DIN IEC 60093, of at least 10 10 ohm cm, in particular of at least 10 12 ohm cm
  • the sealing material embodied as a polyurethane gel or as a silicone gel has such chemical resistance, determined in accordance with ISO 175, that the hardness and preferably the weight of the same after storage in a sulfuric acid and / or in a sodium hydroxide solution and / or in a surfactant over 168 hours at 23 ° C, by a maximum of 10%, in particular by a maximum of 5%, preferably by a maximum of 3%, changed.
  • the incorporation of the sealing material is preferably carried out in the sulfuric acid 3% H 2 SO 4 , preferably in the sodium hydroxide solution 0.2N NaOH and preferably in the surfactant 10% Igepal CO 630th
  • sealing material which is embodied as a polyurethane gel or as a silicone gel
  • a microbiological resistance to growth by microorganisms determined according to ISO 846, the rate 1, in particular the rate 0; and a permanent compression set, determined according to DIN ISO 815 for a test period of 24 hours at 90 ° C, between 40% and 60%.
  • the sealing material embodied as a polyurethane gel or as a silicone gel has such a thermal aging, determined according to ISO 188 for 30 days at 90 ° C., that the hardness of the latter is not more than 10%, in particular not more than 5%, preferably maximum 3%, changed.
  • the sealing material according to the invention is preferably used in the sealing body according to the invention with the conically contoured recess use, but the same can also be used in sealing bodies with differently contoured recesses use.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Sealing Material Composition (AREA)
  • Insulated Conductors (AREA)
EP20070007887 2007-03-14 2007-04-18 Joint d'etanchéité pour un passage de cable Active EP1970737B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200720003989 DE202007003989U1 (de) 2007-03-14 2007-03-14 Dichtungskörper einer Kabelmuffe

Publications (2)

Publication Number Publication Date
EP1970737A1 true EP1970737A1 (fr) 2008-09-17
EP1970737B1 EP1970737B1 (fr) 2012-10-24

Family

ID=37983361

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070007887 Active EP1970737B1 (fr) 2007-03-14 2007-04-18 Joint d'etanchéité pour un passage de cable

Country Status (3)

Country Link
EP (1) EP1970737B1 (fr)
DE (1) DE202007003989U1 (fr)
ES (1) ES2397365T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102540373A (zh) * 2012-03-12 2012-07-04 南京云控通信科技有限公司 一种用于小规格光缆外皮紧固装置
EP2557442A1 (fr) 2011-08-12 2013-02-13 CCS Technology, Inc. Fermeture de câble
EP2557443A1 (fr) 2011-08-12 2013-02-13 CCS Technology, Inc. Fermeture de câble
US8891930B2 (en) 2012-08-10 2014-11-18 Coring Cable Systems Llc Fiber management frames having modular tray holder
WO2017167819A1 (fr) * 2016-04-01 2017-10-05 CommScope Connectivity Belgium BVBA Joint à plusieurs éléments, et enceinte
US9983377B2 (en) 2014-06-30 2018-05-29 Corning Optical Communications LLC Enclosure with combined strain relief and grounding

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008005935U1 (de) 2008-04-29 2009-06-10 CCS Technology, Inc., Wilmington Kabelmuffe
CN103364882B (zh) * 2013-08-05 2015-08-05 四川飞阳科技有限公司 一种光纤密封装置和一种光纤密封方法
US10180553B2 (en) 2017-02-17 2019-01-15 Corning Research & Development Corporation Terminal assemblies, end cap assemblies, and fiber optic enclosures incorporating the same
EP3791220B1 (fr) 2018-05-09 2023-07-05 AFL Telecommunications LLC Boîtiers à fermetures bord à bord et bases associées
US10996414B1 (en) 2020-03-23 2021-05-04 Afl Telecommunications Llc Butt closures and bases therefor

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3744008A (en) * 1971-11-23 1973-07-03 Thomas & Betts Corp Strain relief assembly
US4098772A (en) * 1976-03-11 1978-07-04 The Upjohn Company Thermoplastic polyurethanes prepared with small amounts of monohydric alcohols
US4102716A (en) * 1976-05-11 1978-07-25 Minnesota Mining And Manufacturing Company Two-part reactive dielectric filler composition
EP0010576A1 (fr) * 1978-10-30 1980-05-14 Siemens Aktiengesellschaft Masse de remplissage à base de polyuréthane pour l'obturation longitudinale de câbles électriques ou optiques de télécommunications ou connexions de câbles et câbles et connexions de câbles pourvus de cette masse de remplissage
US4705724A (en) * 1986-03-03 1987-11-10 Caschem, Inc. Process for using ester plasticized polyurethanes for sealing electrical devices
US5104930A (en) * 1990-02-27 1992-04-14 Raychem Corporation Polyurea gel compositions and articles therefrom
EP0514174A1 (fr) * 1991-05-17 1992-11-19 AT&T Corp. Dispositif de fermeture de câbles avec un manchon d'étanchéité élevée
DE19513914A1 (de) * 1994-04-12 1995-10-19 Vagnone & Boeri Verfahren zum Versiegeln eines elektrischen Verbinders
EP0790265A1 (fr) * 1996-02-15 1997-08-20 SANYO CHEMICAL INDUSTRIES, Ltd. Matériau d'étanchéité pour des câbles et son utilisation
US5775702A (en) * 1994-03-07 1998-07-07 N.V. Raychem S.A. Sealing arrangement
EP0942303A1 (fr) * 1998-03-09 1999-09-15 Japan Recom Limited Dispositif d'étanchéité d'extrémité pour boítier de cables
WO1999056370A1 (fr) * 1998-04-28 1999-11-04 Tyco Electronics Raychem Nv Boitier
WO2001041276A2 (fr) * 1999-12-02 2001-06-07 Ccs Technology, Inc. Corps d'etancheite pour garnitures de cable reparties en longueur
US20020149157A1 (en) * 2001-04-12 2002-10-17 Nexans (France) Sealing gasket for cables
DE202006006019U1 (de) 2006-04-11 2006-06-14 CCS Technology, Inc., Wilmington Dichtungskörper einer Kabelmuffe
DE202006006020U1 (de) 2006-04-11 2006-06-14 CCS Technology, Inc., Wilmington Dichtungskörper einer Kabelmuffe

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3744008A (en) * 1971-11-23 1973-07-03 Thomas & Betts Corp Strain relief assembly
US4098772A (en) * 1976-03-11 1978-07-04 The Upjohn Company Thermoplastic polyurethanes prepared with small amounts of monohydric alcohols
US4102716A (en) * 1976-05-11 1978-07-25 Minnesota Mining And Manufacturing Company Two-part reactive dielectric filler composition
EP0010576A1 (fr) * 1978-10-30 1980-05-14 Siemens Aktiengesellschaft Masse de remplissage à base de polyuréthane pour l'obturation longitudinale de câbles électriques ou optiques de télécommunications ou connexions de câbles et câbles et connexions de câbles pourvus de cette masse de remplissage
US4705724A (en) * 1986-03-03 1987-11-10 Caschem, Inc. Process for using ester plasticized polyurethanes for sealing electrical devices
US5104930A (en) * 1990-02-27 1992-04-14 Raychem Corporation Polyurea gel compositions and articles therefrom
EP0514174A1 (fr) * 1991-05-17 1992-11-19 AT&T Corp. Dispositif de fermeture de câbles avec un manchon d'étanchéité élevée
US5775702A (en) * 1994-03-07 1998-07-07 N.V. Raychem S.A. Sealing arrangement
DE19513914A1 (de) * 1994-04-12 1995-10-19 Vagnone & Boeri Verfahren zum Versiegeln eines elektrischen Verbinders
EP0790265A1 (fr) * 1996-02-15 1997-08-20 SANYO CHEMICAL INDUSTRIES, Ltd. Matériau d'étanchéité pour des câbles et son utilisation
EP0942303A1 (fr) * 1998-03-09 1999-09-15 Japan Recom Limited Dispositif d'étanchéité d'extrémité pour boítier de cables
WO1999056370A1 (fr) * 1998-04-28 1999-11-04 Tyco Electronics Raychem Nv Boitier
WO2001041276A2 (fr) * 1999-12-02 2001-06-07 Ccs Technology, Inc. Corps d'etancheite pour garnitures de cable reparties en longueur
US20020149157A1 (en) * 2001-04-12 2002-10-17 Nexans (France) Sealing gasket for cables
DE202006006019U1 (de) 2006-04-11 2006-06-14 CCS Technology, Inc., Wilmington Dichtungskörper einer Kabelmuffe
DE202006006020U1 (de) 2006-04-11 2006-06-14 CCS Technology, Inc., Wilmington Dichtungskörper einer Kabelmuffe

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2557442A1 (fr) 2011-08-12 2013-02-13 CCS Technology, Inc. Fermeture de câble
EP2557443A1 (fr) 2011-08-12 2013-02-13 CCS Technology, Inc. Fermeture de câble
CN102540373A (zh) * 2012-03-12 2012-07-04 南京云控通信科技有限公司 一种用于小规格光缆外皮紧固装置
CN102540373B (zh) * 2012-03-12 2014-03-05 南京云控通信科技有限公司 一种用于小规格光缆外皮紧固装置
US8891930B2 (en) 2012-08-10 2014-11-18 Coring Cable Systems Llc Fiber management frames having modular tray holder
US9983377B2 (en) 2014-06-30 2018-05-29 Corning Optical Communications LLC Enclosure with combined strain relief and grounding
WO2017167819A1 (fr) * 2016-04-01 2017-10-05 CommScope Connectivity Belgium BVBA Joint à plusieurs éléments, et enceinte
CN108780202A (zh) * 2016-04-01 2018-11-09 康普连通比利时私人有限公司 多部件密封件和罩壳
US20190120380A1 (en) * 2016-04-01 2019-04-25 CommScope Connectivity Belgium BVBA Multi-component seal and enclosure
US10935135B2 (en) 2016-04-01 2021-03-02 CommScope Connectivity Belgium BVBA Multi-component seal and enclosure
CN108780202B (zh) * 2016-04-01 2021-06-15 康普连通比利时私人有限公司 多部件密封件和罩壳
US11287039B2 (en) 2016-04-01 2022-03-29 CommScope Connectivity Belgium BVBA Multi-component seal and enclosure

Also Published As

Publication number Publication date
EP1970737B1 (fr) 2012-10-24
ES2397365T3 (es) 2013-03-06
DE202007003989U1 (de) 2007-07-05

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